On independent varieties and some related notions Tomasz KowalskiFrancesco PaoliAntonio Ledda OriginalPaper 25 July 2013 Pages: 107 - 136
Menger algebras of n-place interior operations Wieslaw A. DudekValentin S. Trokhimenko OriginalPaper Open access 25 July 2013 Pages: 137 - 147
More covers of the Boolean variety of unital ℓ-groups Michael R. DarnelW. Charles Holland OriginalPaper 07 June 2013 Pages: 149 - 162
A review of some of Bjarni Jónsson’s results on representation of arguesian lattices Christian Herrmann OriginalPaper 05 June 2013 Pages: 163 - 174
Meet-irreducible submaximal clones determined by nontrivial equivalence relations Etienne R. A. Temgoua OriginalPaper 23 July 2013 Pages: 175 - 196
On the hull-kernel and inverse topologies as frames Themba Dube OriginalPaper 25 July 2013 Pages: 197 - 212